[PATCH v6 13/25] iommufd: Add mmap interface

[Jason Gunthorpe]

On Sat, Jun 14, 2025 at 12:14:38AM -0700, Nicolin Chen wrote:

> +/* Entry for iommufd_ctx::mt_mmap */
> +struct iommufd_mmap {
> +	struct iommufd_object *owner;
> +
> +	/* Allocated start position in mt_mmap tree */
> +	unsigned long startp;

pgoff_t, looks like this is already in PAGE_SIZE units.

> +	/* Physical range for io_remap_pfn_range() */
> +	unsigned long mmio_pfn;

physaddr_t and maybe don't use pfn?

> +	unsigned long num_pfns;

size_t

Rest looks OK

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Jason